Apple 500, 575, 577, 560, 550, 578 manual Light Meter Setup, Model R77

Adjustments Light Meter Setup - 21

Light Meter Setup

This topic covers setup for three light meter models: R77, L-248, and 246. Model R77 (Apple part number 076-0310) is the newest model available.

Model R77

The R77 light meter is capable of reading luminance from 10 to 1,000 footcandles (fc).

Before you begin, remove the 10X multiplier plate